This topic is about finding ways to prevent a child's colostomy pouch from ballooning at night. Ballooning can be a concern because it might lead to the pouch over-inflating and possibly rupturing, especially when the child rolls over in their sleep. Here are some helpful tips and insights shared by others who have faced similar challenges:

1. **Positioning Aids**:
- Use a firm yet soft hug or body pillow to encourage the child to snuggle it, preventing them from rolling onto the pouch.
- Consider wedge-shaped foam or commercial "pillow pets" to help keep the child sleeping on their side.
- Create a DIY small U-shaped foam pillow that can be tucked under clothing or secured with elastic. This helps create a space for the pouch to hang freely, even if the child rolls forward.

2. **Reducing Gas Production**:
- Limit the intake of high-gas foods in the evening, such as certain vegetables, high-fiber items, and milk. It's a good idea to consult with a gastroenterologist or look up online lists for guidance.
- Consider enzyme supplements like Beano, but make sure to check with a physician first.

3. **Filter Work-Arounds**:
- Use filterless pouches with stick-on vent filters. You can experiment with the number of holes you prick in the pouch to find a balance between venting and odor control.
- During the day, cover the built-in filter with supplied stickers to stop odor, and remove the covers at night to allow venting.
- In the UK, extra filters and pouches are available for free on prescription, which allows for more frequent changes or special nighttime configurations.

4. **Frequent Pouch Changes**:
- Many users find that filters clog within 8 to 24 hours. Changing to a fresh pouch 1 to 3 times a day can help avoid ballooning and odor issues.

5. **Alternate Venting Setup for Prone Sleepers**:
- Attach a long plastic bag to the pouch outlet at night. This can be done using an adapter made from an open-ended pill bottle, allowing air to vent into the external bag.

6. **Stain and Odor Management**:
- Keep Tide laundry pens handy for quick cleanup of any clothing stains.
- Adding a few drops of eucalyptus oil in the pouch can help mask odors effectively.

7. **Mentioned Products and Brands**:
- Coloplast double-filter bags.
- Stick-on vent filters (no specific brand mentioned).
- Beano enzyme tablets.
- Tide laundry stain-removal pens.
- "Pillow Pets" children's cushion toys.
- Eucalyptus essential oil as an in-pouch deodorizer.

These suggestions aim to make nighttime more comfortable and worry-free for both the child and their caregivers.